19887796

素因数分解:

$2^2\times {\mathrm{37}}^1\times {\mathrm{83}}^1\times {\mathrm{1619}}^1$

素因数の和:1743

約数の個数: 24

約数和(自身を含む): 36197280

約数和(自身を除く): 16309484

約数列:

[1, 2, 4, 37, 74, 83, 148, 166, 332, 1619, 3071, 3238, 6142, 6476, 12284, 59903, 119806, 134377, 239612, 268754, 537508, 4971949, 9943898, 19887796]

約数ペア:

[(1, 19887796), (2, 9943898), (4, 4971949), (37, 537508), (74, 268754), (83, 239612), (148, 134377), (166, 119806), (332, 59903), (1619, 12284), (3071, 6476), (3238, 6142)]